Which of the following when treated with superheated steam under press – InterviewSolution

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1.	Which of the following when treated with superheated steam under pressure gives benzene?
Answer» benzenesulphonic ACID benzyl chloride bromobenzene nitrobenzene. Solution :Sulphonation unlike NITRATION and halogenation is a reversible reaction and hence in PRESENCE of superheated steam, benzenesulphonic acid undergoes desulphonation to give benzene.

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